During an experiment, readings for blood pressure in a person’s body were found to be constant. however, when measured by a different blood pressure cuff, the readings differed by 15 points for each reading. this difference indicates that the results are

The image shows ekgs of a person with normal heart waves and of a person having tachycardia. based on this image, what kind of condition is tachycardia? a. the heart beats abnormally fast. b. the heart beats abnormally slow. c. the right atrium of the heart stops working. d. the left ventricle pumps less blood to the aorta.

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

19. a cell is viewed under a microscope and is found to have two nuclear envelopes and spindles that appear to be breaking apart. which phase of mitosis is the cell most likely in? a. metaphase b. prophase c. telophase d. anaphase